The bill seeks to strengthen the regulation of wood burning devices in Washington State to align with federal air quality standards and safeguard public health and the environment. It introduces a verification program for wood burning devices, ensuring that only those certified by the Environmental Protection Agency (EPA) that meet state emission standards can be installed in new or existing buildings. The legislation also mandates that all wood burning devices sold in the state comply with these standards, prohibiting the sale of non-compliant devices. Key amendments include redefining terms related to wood burning devices and establishing new definitions for residential forced-air furnaces and hydronic heaters, while emphasizing the Department of Ecology's role in adopting statewide emission performance standards.

Additionally, the bill addresses fine particulate pollution by establishing thresholds for declaring impaired air quality stages and introducing new language for localized burn bans based on air quality conditions. It specifies the materials that cannot be burned in wood-burning devices, such as coal, and emphasizes public education on cleaner burning practices. The legislation also allows exceptions for individuals without adequate heating sources during emergencies. Overall, the amendments aim to improve air quality management while considering the heating needs of residents who rely on wood-burning devices.

Statutes affected:
Original Bill: 70A.15.3520, 70A.15.3530, 70A.15.3540, 70A.15.3580, 70A.15.3600
Substitute Bill: 70A.15.3520, 70A.15.3530, 70A.15.3540, 70A.15.3580, 70A.15.3600